Android layout hidden on keyboard show -

i have strange problem layout. when tap on edittext, keyboard shown edittext stay on bottom, when tap on to hide keyboard, keyboard hides , edittext go should when want input text. when tap again, keyboard shown , edittext goes down behind keyboard...

<relativelayout       android:layout_width="match_parent"       android:layout_height="match_parent"       >      <scrollview           android:layout_width="match_parent"           android:layout_height="fill_parent"           android:above="@+id/rl_commands">           <textview                android:layout_width="match_parent"                android:layout_height="wrap_content"/>     </scrollview>     <relativelayout           android:layout_width="match_parent           android:layout_height="24dp"           android:id="@+id/rl_commands"           android:alignparentbottom="true">           <edittext             ............/>           <button            .........../>  </relativelayout> </relativelayout> 

also in manifest.xml added adjustresize problem stays.... want when tap(focus) edittext , keyboard shows, relativelayout go see typing. , after keyboard hide resize relativelayout again , relativelayout go bottom of screen. in viber...

add line in activity tag inside manifest.xml file

android:windowsoftinputmode=adjustpan 

for more can refer :android documentation